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CVE-2023-1801

22
FAUCET Score

CVE-2023-1801 is an out-of-bounds write vulnerability in the SMB protocol decoder of tcpdump version 4.99.3, allowing a remote attacker to cause a denial of service by sending a specially crafted network packet. Rated as Medium severity (CVSS 6.5), it requires user interaction (UI:R) and has a low attack complexity (AC:L), with the primary impact being high availability loss (A:H). There is currently no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
4.99.3CPE matchmatch criteria
cpe:2.3:a:tcpdump:tcpdump:4.99.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.84%
Probability of exploitation in next 30 days
EPSS Percentile
54.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0084 is in the 64th percentile among its peer group of 26,219 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2023-1801Moderate

tcpdump: OOB write in SMB decoder

Apr 7, 2023

References

github.com / the-tcpdump-group/tcpdump/commit/03c037bbd75588beba3ee09f26d17783d21e30bc
Patch
github.com / the-tcpdump-group/tcpdump/commit/7578e1c04ee280dda50c4c2813e7d55f539c6501
Patch
lists.fedoraproject.org / archives/list/[email protected]/message/KOA2BJFERAC3VRQIRHJOWN4HZY4ZA7CH
lists.fedoraproject.org / archives/list/[email protected]/message/WYL5DEVHRJYF2CM5LTCZKEYFYDZAIZSN
lists.fedoraproject.org / archives/list/[email protected]/message/ZLLZCG23MU6O4QOG2CX3DLEL3YXP6LAI
support.apple.com / kb/HT213844
support.apple.com / kb/HT213845